Gmail supports a nifty email feature that you can use to take control your inbox. The trick takes less than a minute to implement and can save you hours in organization.
As noted by Gizmodo, you can add a modifier, such as a period or a “+” sign, to the first half gmail address and gmail will process the mail just like your regular email address. For example, email messages sent to firstname.lastname@example.org will handled just like messages sent to email@example.com. You can put the modifier at any point before the @ sign.
The power in this technique comes from Gmail’s filtering options that allow you to sort emails based on the email address that is being used for the message. For example, you can use firstname.lastname@example.org for all of your newsletters. When an email is sent to the email@example.com address, you can configure a filter to forward it to specific folder, delete it or more